PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-03:58:10
G01     266.4          41.7                8.1 +/-    1.51      11.5 +/-    1.51  0.060 / 0.070
G03     316.2          30.9                6.2 +/-    0.98      10.7 +/-    0.98  0.050 / 0.070
G10     130.4          14.0                6.4 +/-    1.77      16.3 +/-    1.77  0.040 / 0.070
G11     249.8          18.4                9.8 +/-    3.16      22.4 +/-    3.16  0.040 / 0.050
G14     43.5           50.2                3.1 +/-    0.68       3.9 +/-    0.68  0.150 / 0.250
G18     231.3          37.7                9.2 +/-    1.31      13.9 +/-    1.31  0.190 / 0.300
G22     313.8          52.4                6.4 +/-    1.58       7.9 +/-    1.58  0.060 / 0.110
G25     52.1           16.4                3.2 +/-    1.53       7.7 +/-    1.53  0.060 / 0.080
G31     52.3           70.5               -5.7 +/-    0.45      -6.1 +/-    0.45  0.080 / 0.270
G32     65.0           31.9                4.1 +/-    0.69       6.9 +/-    0.69  0.090 / 0.260